Answer:
T = 290
Step-by-step explanation:
We can find the sum of all observations multiplying sample size (n) by sample mean (x).
Sum of all observations in the data set is,

Hope this helps!
Answer:
Hello! answer: x = 15
Step-by-step explanation:
Here is a visual i created of what the complementary angle would look like!
Answer:
6
Step-by-step explanation:
30% of 20 = 30% * 20
=
* 20
= 6
Answer:
m-2
Step-by-step explanation:
m is being subrtacted by 2